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Forum: Number Theory

Number Theory Help Forum

  1. Modulo

    Showcase_22
    modulo
    • Replies: 8
    • Views: 249
    chiph588@
    November 25th 2009, 06:35 AM Go to last post

  2. n^4 not / 5 is of form 5n+1

    smccauslin
    form
    • Replies: 2
    • Views: 236
    Bruno J.
    November 24th 2009, 07:48 PM Go to last post

  3. Not a power of 2

    james_bond
    power, power of 2
    • Replies: 6
    • Views: 293
    james_bond
    November 24th 2009, 11:11 AM Go to last post

  4. Proving that sigma_k(n) is odd if n is a square or double a square

    bictory
    double, odd, proving, sigmakn, square
    • Replies: 1
    • Views: 299
    qmech
    November 24th 2009, 08:17 AM Go to last post

  5. Proof with arithmetic functions

    comssa
    arithmetic, functions, proof
    • Replies: 2
    • Views: 183
    tonio
    November 24th 2009, 05:58 AM Go to last post

  6. Sums of squares of positive integers prime to n

    ilikecandy
    integers, positive, prime, squares, sums
    • Replies: 1
    • Views: 235
    Shanks
    November 23rd 2009, 11:15 PM Go to last post

  7. pythagorean triples

    keityo
    pythagorean, triples
    • Replies: 1
    • Views: 271
    CaptainBlack
    November 23rd 2009, 08:15 PM Go to last post

  8. Decimal to Binary

    chiph588@
    binary, decimal
    • Replies: 2
    • Views: 169
    CaptainBlack
    November 23rd 2009, 08:06 PM Go to last post

  9. Prime number Proof

    MichaelG
    number, prime, proof
    • Replies: 2
    • Views: 199
    chiph588@
    November 23rd 2009, 07:47 PM Go to last post

  10. Kraitchik method

    MichaelG
    kraitchik, method
    • Replies: 2
    • Views: 383
    MichaelG
    November 23rd 2009, 08:27 AM Go to last post

  11. Relatively prime and fibonacci

    zhushp
    fibonacci, prime
    • Replies: 3
    • Views: 217
    aman_cc
    November 23rd 2009, 06:53 AM Go to last post

  12. Proof using wilson's method, I believe

    MichaelG
    method, proof, wilson
    • Replies: 1
    • Views: 188
    tonio
    November 23rd 2009, 06:27 AM Go to last post

  13. divisibility with factorials

    bictory
    divisibility, factorials
    • Replies: 5
    • Views: 310
    Amer
    November 23rd 2009, 05:19 AM Go to last post

  14. decimals

    scubasteve123
    decimals
    • Replies: 5
    • Views: 233
    stumped765
    November 22nd 2009, 10:05 PM Go to last post

  15. Prove Perron's Criterion

    usagi_killer
    criterion, perron, prove
    • Replies: 0
    • Views: 407
    usagi_killer
    November 22nd 2009, 09:41 PM Go to last post

  16. Number Squares Game

    mpfitz10
    game, number, squares
    • Replies: 2
    • Views: 226
    Media_Man
    November 22nd 2009, 08:05 AM Go to last post

  17. quick question

    stumped765
    question, quick
    • Replies: 3
    • Views: 195
    Shanks
    November 22nd 2009, 04:45 AM Go to last post

  18. Question proof via contrapositve

    hebby
    contrapositve, proof
    • Replies: 4
    • Views: 213
    HallsofIvy
    November 22nd 2009, 04:43 AM Go to last post

  19. pythagorean triangles.

    stumped765
    pythagorean, triangles
    • Replies: 5
    • Views: 529
    r0r0trog
    November 22nd 2009, 01:05 AM Go to last post

  20. from multigrades to GDM to FLT

    wonderboy1953
    flt, gdm, multigrades
    • Replies: 7
    • Views: 357
    mr fantastic
    November 21st 2009, 08:19 PM Go to last post

  21. proof via contrapositve

    hebby
    contrapositve, proof
    • Replies: 1
    • Views: 172
    aman_cc
    November 21st 2009, 06:43 PM Go to last post

  22. Diophantine equation

    rubik mania
    diophantine, equation
    • Replies: 3
    • Views: 191
    NonCommAlg
    November 21st 2009, 05:29 PM Go to last post

  23. Testing for randomness of Hermitian Matrix

    Mauri
    hermitian, matrix, randomness, testing
    • Replies: 0
    • Views: 163
    Mauri
    November 21st 2009, 05:21 PM Go to last post

  24. Another GCD proof problem

    r0r0trog
    gcd, problem, proof
    • Replies: 0
    • Views: 293
    r0r0trog
    November 21st 2009, 11:32 AM Go to last post

  25. Numbers in array and its exponents ( congruence operation )

    jmarchetti
    array, congruence, coprime, exponent, exponents, numbers, operation
    • Replies: 1
    • Views: 170
    Shanks
    November 20th 2009, 10:46 PM Go to last post

  26. Question Getting stuck on the CRT

    steph3824
    crt, stuck
    • Replies: 2
    • Views: 162
    steph3824
    November 20th 2009, 03:25 PM Go to last post

  27. Question Need help understanding the Chinese Remainder Theorem

    steph3824
    chinese, remainder, theorem, understanding
    • Replies: 3
    • Views: 319
    steph3824
    November 20th 2009, 11:55 AM Go to last post

  28. Prove by contradiction

    hebby
    contradiction, prove
    • Replies: 7
    • Views: 193
    aman_cc
    November 20th 2009, 10:26 AM Go to last post

  29. one more quadratic residue congruence problem please

    hatsoff
    congruence, problem, quadratic, residue
    • Replies: 2
    • Views: 214
    qmech
    November 20th 2009, 09:27 AM Go to last post

  30. Prove by contradiction

    hebby
    contradiction, prove
    • Replies: 2
    • Views: 140
    hebby
    November 20th 2009, 09:05 AM Go to last post

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